BetUS Racebook is the best online off track betting racebook on the planet serving millions of horse players world wide. Whether you're padding your bankroll or betting on the Triple Crown, the BetUS Racebook has all of the horse betting action you could want! Log in year-round to bet the best track odds, lines, and futures for the biggest horse racing events in the world! BetUS now offers the best horse racing betting action from over 100 tracks worldwide including Australian, Dubai, English and Hong Kong horse racing. Find your preferred track on the left-hand side of this page or visit the BetUS Sportsbook to see futures and match-ups for the upcoming major races!